rhsa-2013_0829
Vulnerability from csaf_redhat
Published
2013-05-20 16:44
Modified
2024-11-22 07:41
Summary
Red Hat Security Advisory: kernel-rt security and bug fix update
Notes
Topic
Updated kernel-rt packages that fix several security issues and multiple
bugs are now available for Red Hat Enterprise MRG 2.3.
The Red Hat Security Response Team has rated this update as having
important security impact. Common Vulnerability Scoring System (CVSS) base
scores, which give detailed severity ratings, are available for each
vulnerability from the CVE links in the References section.
Details
Security fixes:
* It was found that the kernel-rt update RHBA-2012:0044 introduced an
integer conversion issue in the Linux kernel's Performance Events
implementation. This led to a user-supplied index into the
perf_swevent_enabled array not being validated properly, resulting in
out-of-bounds kernel memory access. A local, unprivileged user could use
this flaw to escalate their privileges. (CVE-2013-2094, Important)
A public exploit for CVE-2013-2094 that affects Red Hat Enterprise MRG 2 is
available. Refer to Red Hat Knowledge Solution 373743, linked to in the
References, for further information and mitigation instructions for users
who are unable to immediately apply this update.
* An integer overflow flaw, leading to a heap-based buffer overflow, was
found in the way the Intel i915 driver in the Linux kernel handled the
allocation of the buffer used for relocation copies. A local user with
console access could use this flaw to cause a denial of service or escalate
their privileges. (CVE-2013-0913, Important)
* It was found that the Linux kernel used effective user and group IDs
instead of real ones when passing messages with SCM_CREDENTIALS ancillary
data. A local, unprivileged user could leverage this flaw with a set user
ID (setuid) application, allowing them to escalate their privileges.
(CVE-2013-1979, Important)
* A race condition in install_user_keyrings(), leading to a NULL pointer
dereference, was found in the key management facility. A local,
unprivileged user could use this flaw to cause a denial of service.
(CVE-2013-1792, Moderate)
* A NULL pointer dereference flaw was found in the Linux kernel's XFS file
system implementation. A local user who is able to mount an XFS file
system could use this flaw to cause a denial of service. (CVE-2013-1819,
Moderate)
* An information leak was found in the Linux kernel's POSIX signals
implementation. A local, unprivileged user could use this flaw to bypass
the Address Space Layout Randomization (ASLR) security feature.
(CVE-2013-0914, Low)
* A use-after-free flaw was found in the tmpfs implementation. A local user
able to mount and unmount a tmpfs file system could use this flaw to cause
a denial of service or, potentially, escalate their privileges.
(CVE-2013-1767, Low)
* A NULL pointer dereference flaw was found in the Linux kernel's USB
Inside Out Edgeport Serial Driver implementation. A local user with
physical access to a system and with access to a USB device's tty file
could use this flaw to cause a denial of service. (CVE-2013-1774, Low)
* A format string flaw was found in the ext3_msg() function in the Linux
kernel's ext3 file system implementation. A local user who is able to
mount an ext3 file system could use this flaw to cause a denial of service
or, potentially, escalate their privileges. (CVE-2013-1848, Low)
* A heap-based buffer overflow flaw was found in the Linux kernel's
cdc-wdm driver, used for USB CDC WCM device management. An attacker with
physical access to a system could use this flaw to cause a denial of
service or, potentially, escalate their privileges. (CVE-2013-1860, Low)
* A heap-based buffer overflow in the way the tg3 Ethernet driver parsed
the vital product data (VPD) of devices could allow an attacker with
physical access to a system to cause a denial of service or, potentially,
escalate their privileges. (CVE-2013-1929, Low)
* Information leaks in the Linux kernel's cryptographic API could allow a
local user who has the CAP_NET_ADMIN capability to leak kernel stack memory
to user-space. (CVE-2013-2546, CVE-2013-2547, CVE-2013-2548, Low)
* Information leaks in the Linux kernel could allow a local, unprivileged
user to leak kernel stack memory to user-space. (CVE-2013-2634,
CVE-2013-2635, CVE-2013-3076, CVE-2013-3222, CVE-2013-3224, CVE-2013-3225,
CVE-2013-3231, Low)
Red Hat would like to thank Andy Lutomirski for reporting CVE-2013-1979.
CVE-2013-1792 was discovered by Mateusz Guzik of Red Hat EMEA GSS SEG Team.
Terms of Use
This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
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{
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"title": "Statement"
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"title": "Statement"
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{
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"ids": [
{
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{
"category": "description",
"text": "Heap-based buffer overflow in the tg3_read_vpd function in drivers/net/ethernet/broadcom/tg3.c in the Linux kernel before 3.8.6 allows physically proximate attackers to cause a denial of service (system crash) or possibly execute arbitrary code via crafted firmware that specifies a long string in the Vital Product Data (VPD) data structure.",
"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Kernel: tg3: buffer overflow in VPD firmware parsing",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the Linux kernel as shipped with\nRed Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2.\n\nThe Red Hat Security Response Team has rated this issue as having low security \nimpact because physical access is needed to exploit this issue. Future kernel \nupdates for Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2 may \naddress this issue. For additional information, refer to the Issue Severity \nClassification: https://access.redhat.com/security/updates/classification/.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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{
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}
],
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"ids": [
{
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"title": "Vulnerability description"
},
{
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"title": "Vulnerability summary"
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"title": "Statement"
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{
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"title": "CVSS score applicability"
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{
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"id": "CWE-119",
"name": "Improper Restriction of Operations within the Bounds of a Memory Buffer"
},
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"ids": [
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"title": "Vulnerability description"
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{
"category": "summary",
"text": "kernel: perf_swevent_enabled array out-of-bound access",
"title": "Vulnerability summary"
},
{
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"text": "This issue does not affect the kernel packages as shipped with Red Hat Enterprise Linux 5 because we did not backport upstream commit b0a873eb that introduced this issue.\n\nThis issue was addressed in Red Hat Enterprise Linux 6 via RHSA-2013:0830 (https://rhn.redhat.com/errata/RHSA-2013-0830.html), Red Hat Enterprise Linux 6.1 Extended update support via RHSA-2013:0841 (https://rhn.redhat.com/errata/RHSA-2013-0841.html), Red Hat Enterprise Linux 6.2 Extended update support via RHSA-2013:0840 (https://rhn.redhat.com/errata/RHSA-2013-0840.html), Red Hat Enterprise Linux 6.3 Extended Update Support via RHSA-2013:0832 (https://rhn.redhat.com/errata/RHSA-2013-0832.html), and Red Hat Enterprise MRG 2 via RHSA-2013:0829 (https://rhn.redhat.com/errata/RHSA-2013-0829.html).\n\nRed Hat Enterprise Linux 6.0 was not affected by this flaw.\n\nRefer to https://access.redhat.com/site/solutions/373743 for further information.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
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"title": "Statement"
},
{
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"title": "CVSS score applicability"
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},
{
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"title": "Statement"
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"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue does not affect the version of the kernel package as shipped with\nRed Hat Enterprise Linux 5.\n\nThis issue affects the versions of Linux kernel as shipped with\nRed Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2. Future kernel updates\nfor Red Hat Enterprise Linux 6 and Red Hat Enterprise MRG 2 may address this\nissue.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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},
{
"category": "external",
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"url": "https://nvd.nist.gov/vuln/detail/CVE-2013-3225"
}
],
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"category": "vendor_fix",
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{
"cvss_v2": {
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"accessVector": "LOCAL",
"authentication": "NONE",
"availabilityImpact": "NONE",
"baseScore": 1.9,
"confidentialityImpact": "PARTIAL",
"integrityImpact": "NONE",
"vectorString": "AV:L/AC:M/Au:N/C:P/I:N/A:N",
"version": "2.0"
},
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"title": "Kernel: Bluetooth: RFCOMM - missing msg_namelen update in rfcomm_sock_recvmsg"
},
{
"cve": "CVE-2013-3231",
"discovery_date": "2013-04-14T00:00:00+00:00",
"ids": [
{
"system_name": "Red Hat Bugzilla ID",
"text": "956094"
}
],
"notes": [
{
"category": "description",
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"title": "Vulnerability description"
},
{
"category": "summary",
"text": "Kernel: llc: Fix missing msg_namelen update in llc_ui_recvmsg",
"title": "Vulnerability summary"
},
{
"category": "other",
"text": "This issue affects the versions of the Linux kernel as shipped with\nRed Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2. Future kernel\nupdates for Red Hat Enterprise Linux 5, 6 and Red Hat Enterprise MRG 2 may\naddress this issue.",
"title": "Statement"
},
{
"category": "general",
"text": "The CVSS score(s) listed for this vulnerability do not reflect the associated product\u0027s status, and are included for informational purposes to better understand the severity of this vulnerability.",
"title": "CVSS score applicability"
}
],
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"title": "Kernel: llc: Fix missing msg_namelen update in llc_ui_recvmsg"
}
]
}
Loading...
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.